| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.util; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.ContentResolver.MimeTypeInfo; |
| import android.content.res.Resources; |
| import android.graphics.drawable.Icon; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| |
| import libcore.content.type.MimeMap; |
| |
| import java.util.Locale; |
| import java.util.Objects; |
| |
| public class MimeIconUtils { |
| @GuardedBy("sCache") |
| private static final ArrayMap<String, MimeTypeInfo> sCache = new ArrayMap<>(); |
| |
| private static MimeTypeInfo buildTypeInfo(String mimeType, int iconId, |
| int labelId, int extLabelId) { |
| final Resources res = Resources.getSystem(); |
| |
| // If this MIME type has an extension, customize the label |
| final CharSequence label; |
| final String ext = MimeMap.getDefault().guessExtensionFromMimeType(mimeType); |
| if (!TextUtils.isEmpty(ext) && extLabelId != -1) { |
| label = res.getString(extLabelId, ext.toUpperCase(Locale.US)); |
| } else { |
| label = res.getString(labelId); |
| } |
| |
| return new MimeTypeInfo(Icon.createWithResource(res, iconId), label, label); |
| } |
| |
| private static @Nullable MimeTypeInfo buildTypeInfo(@NonNull String mimeType) { |
| switch (mimeType) { |
| case "inode/directory": |
| case "vnd.android.document/directory": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_folder, |
| R.string.mime_type_folder, -1); |
| |
| case "application/vnd.android.package-archive": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_apk, |
| R.string.mime_type_apk, -1); |
| |
| case "application/pgp-keys": |
| case "application/pgp-signature": |
| case "application/x-pkcs12": |
| case "application/x-pkcs7-certreqresp": |
| case "application/x-pkcs7-crl": |
| case "application/x-x509-ca-cert": |
| case "application/x-x509-user-cert": |
| case "application/x-pkcs7-certificates": |
| case "application/x-pkcs7-mime": |
| case "application/x-pkcs7-signature": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_certificate, |
| R.string.mime_type_generic, R.string.mime_type_generic_ext); |
| |
| case "application/rdf+xml": |
| case "application/rss+xml": |
| case "application/x-object": |
| case "application/xhtml+xml": |
| case "text/css": |
| case "text/html": |
| case "text/xml": |
| case "text/x-c++hdr": |
| case "text/x-c++src": |
| case "text/x-chdr": |
| case "text/x-csrc": |
| case "text/x-dsrc": |
| case "text/x-csh": |
| case "text/x-haskell": |
| case "text/x-java": |
| case "text/x-literate-haskell": |
| case "text/x-pascal": |
| case "text/x-tcl": |
| case "text/x-tex": |
| case "application/x-latex": |
| case "application/x-texinfo": |
| case "application/atom+xml": |
| case "application/ecmascript": |
| case "application/json": |
| case "application/javascript": |
| case "application/xml": |
| case "text/javascript": |
| case "application/x-javascript": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_codes, |
| R.string.mime_type_document, R.string.mime_type_document_ext); |
| |
| case "application/mac-binhex40": |
| case "application/rar": |
| case "application/zip": |
| case "application/x-apple-diskimage": |
| case "application/x-debian-package": |
| case "application/x-gtar": |
| case "application/x-iso9660-image": |
| case "application/x-lha": |
| case "application/x-lzh": |
| case "application/x-lzx": |
| case "application/x-stuffit": |
| case "application/x-tar": |
| case "application/x-webarchive": |
| case "application/x-webarchive-xml": |
| case "application/gzip": |
| case "application/x-7z-compressed": |
| case "application/x-deb": |
| case "application/x-rar-compressed": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_compressed, |
| R.string.mime_type_compressed, R.string.mime_type_compressed_ext); |
| |
| case "text/x-vcard": |
| case "text/vcard": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_contact, |
| R.string.mime_type_generic, R.string.mime_type_generic_ext); |
| |
| case "text/calendar": |
| case "text/x-vcalendar": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_event, |
| R.string.mime_type_generic, R.string.mime_type_generic_ext); |
| |
| case "application/x-font": |
| case "application/font-woff": |
| case "application/x-font-woff": |
| case "application/x-font-ttf": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_font, |
| R.string.mime_type_generic, R.string.mime_type_generic_ext); |
| |
| case "application/vnd.oasis.opendocument.graphics": |
| case "application/vnd.oasis.opendocument.graphics-template": |
| case "application/vnd.oasis.opendocument.image": |
| case "application/vnd.stardivision.draw": |
| case "application/vnd.sun.xml.draw": |
| case "application/vnd.sun.xml.draw.template": |
| case "application/vnd.google-apps.drawing": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_image, |
| R.string.mime_type_image, R.string.mime_type_image_ext); |
| |
| case "application/pdf": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_pdf, |
| R.string.mime_type_document, R.string.mime_type_document_ext); |
| |
| case "application/vnd.stardivision.impress": |
| case "application/vnd.sun.xml.impress": |
| case "application/vnd.sun.xml.impress.template": |
| case "application/x-kpresenter": |
| case "application/vnd.oasis.opendocument.presentation": |
| case "application/vnd.google-apps.presentation": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_presentation, |
| R.string.mime_type_presentation, R.string.mime_type_presentation_ext); |
| |
| case "application/vnd.oasis.opendocument.spreadsheet": |
| case "application/vnd.oasis.opendocument.spreadsheet-template": |
| case "application/vnd.stardivision.calc": |
| case "application/vnd.sun.xml.calc": |
| case "application/vnd.sun.xml.calc.template": |
| case "application/x-kspread": |
| case "application/vnd.google-apps.spreadsheet": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_spreadsheet, |
| R.string.mime_type_spreadsheet, R.string.mime_type_spreadsheet_ext); |
| |
| case "application/vnd.oasis.opendocument.text": |
| case "application/vnd.oasis.opendocument.text-master": |
| case "application/vnd.oasis.opendocument.text-template": |
| case "application/vnd.oasis.opendocument.text-web": |
| case "application/vnd.stardivision.writer": |
| case "application/vnd.stardivision.writer-global": |
| case "application/vnd.sun.xml.writer": |
| case "application/vnd.sun.xml.writer.global": |
| case "application/vnd.sun.xml.writer.template": |
| case "application/x-abiword": |
| case "application/x-kword": |
| case "application/vnd.google-apps.document": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_document, |
| R.string.mime_type_document, R.string.mime_type_document_ext); |
| |
| case "application/x-quicktimeplayer": |
| case "application/x-shockwave-flash": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_video, |
| R.string.mime_type_video, R.string.mime_type_video_ext); |
| |
| case "application/msword": |
| case "application/vnd.openxmlformats-officedocument.wordprocessingml.document": |
| case "application/vnd.openxmlformats-officedocument.wordprocessingml.template": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_word, |
| R.string.mime_type_document, R.string.mime_type_document_ext); |
| |
| case "application/vnd.ms-excel": |
| case "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": |
| case "application/vnd.openxmlformats-officedocument.spreadsheetml.template": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_excel, |
| R.string.mime_type_spreadsheet, R.string.mime_type_spreadsheet_ext); |
| |
| case "application/vnd.ms-powerpoint": |
| case "application/vnd.openxmlformats-officedocument.presentationml.presentation": |
| case "application/vnd.openxmlformats-officedocument.presentationml.template": |
| case "application/vnd.openxmlformats-officedocument.presentationml.slideshow": |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_powerpoint, |
| R.string.mime_type_presentation, R.string.mime_type_presentation_ext); |
| |
| default: |
| return buildGenericTypeInfo(mimeType); |
| } |
| } |
| |
| private static @Nullable MimeTypeInfo buildGenericTypeInfo(@NonNull String mimeType) { |
| // Look for partial matches |
| if (mimeType.startsWith("audio/")) { |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_audio, |
| R.string.mime_type_audio, R.string.mime_type_audio_ext); |
| } else if (mimeType.startsWith("video/")) { |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_video, |
| R.string.mime_type_video, R.string.mime_type_video_ext); |
| } else if (mimeType.startsWith("image/")) { |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_image, |
| R.string.mime_type_image, R.string.mime_type_image_ext); |
| } else if (mimeType.startsWith("text/")) { |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_text, |
| R.string.mime_type_document, R.string.mime_type_document_ext); |
| } |
| |
| // As one last-ditch effort, try "bouncing" the MIME type through its |
| // default extension. This handles cases like "application/x-flac" to |
| // ".flac" to "audio/flac". |
| MimeMap mimeMap = MimeMap.getDefault(); |
| final String bouncedMimeType = mimeMap |
| .guessMimeTypeFromExtension(mimeMap.guessExtensionFromMimeType(mimeType)); |
| if (bouncedMimeType != null && !Objects.equals(mimeType, bouncedMimeType)) { |
| return buildTypeInfo(bouncedMimeType); |
| } |
| |
| // Worst case, return a generic file |
| return buildTypeInfo(mimeType, R.drawable.ic_doc_generic, |
| R.string.mime_type_generic, R.string.mime_type_generic_ext); |
| } |
| |
| public static @NonNull MimeTypeInfo getTypeInfo(@NonNull String mimeType) { |
| // Normalize MIME type |
| mimeType = mimeType.toLowerCase(Locale.US); |
| |
| synchronized (sCache) { |
| MimeTypeInfo res = sCache.get(mimeType); |
| if (res == null) { |
| res = buildTypeInfo(mimeType); |
| sCache.put(mimeType, res); |
| } |
| return res; |
| } |
| } |
| } |
